Home / 15,249,349.37-21,043,886.70-8,633,767.17

Finding the Fourth Proportional to 15,249,349.37, 21,043,886.70 and 8,633,767.17

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Solution

The fourth proportional to 15,249,349.37, 21,043,886.70 and 8,633,767.17 is: 11,914,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,349.37 : 21,043,886.70 = 8,633,767.17 : x
  2. Step 2: Convert to fraction form
    15,249,349.37/21,043,886.70 = 8,633,767.17/x
  3. Step 3: Cross multiply
    15,249,349.37x = 21,043,886.70 × 8,633,767.17
  4. Step 4: Simplify right side
    15,249,349.37x = 181,688,018,119,659.62
  5. Step 5: Solve for x
    x = 181,688,018,119,659.62/15,249,349.37
  6. Step 6: Final answer
    x = 11,914,476.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.